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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.commons.lang3.builder;
import static org.junit.Assert.assertEquals;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
/**
*/
public class MultilineRecursiveToStringStyleTest {
private final String BR = System.lineSeparator();
@Test
public void simpleObject() {
final Transaction tx = new Transaction("2014.10.15", 100);
final String expected = getClassPrefix(tx) + "[" + BR
+ " amount=100.0," + BR
+ " date=2014.10.15" + BR
+ "]";
assertEquals(expected, toString(tx));
}
@Test
public void nestedElements() {
final Customer customer = new Customer("Douglas Adams");
final Bank bank = new Bank("ASF Bank");
customer.bank = bank;
final String exp = getClassPrefix(customer) + "[" + BR
+ " name=Douglas Adams," + BR
+ " bank=" + getClassPrefix(bank) + "[" + BR
+ " name=ASF Bank" + BR
+ " ]," + BR
+ " accounts=<null>" + BR
+ "]";
assertEquals(exp, toString(customer));
}
@Test
public void nestedAndArray() {
final Account acc = new Account();
final Transaction tx1 = new Transaction("2014.10.14", 100);
final Transaction tx2 = new Transaction("2014.10.15", 50);
acc.transactions.add(tx1);
acc.transactions.add(tx2);
final String expected = getClassPrefix(acc) + "[" + BR
+ " owner=<null>," + BR
+ " transactions=" + getClassPrefix(acc.transactions) + "{" + BR
+ " " + getClassPrefix(tx1) + "[" + BR
+ " amount=100.0," + BR
+ " date=2014.10.14" + BR
+ " ]," + BR
+ " " + getClassPrefix(tx2) + "[" + BR
+ " amount=50.0," + BR
+ " date=2014.10.15" + BR
+ " ]" + BR
+ " }" + BR
+ "]";
assertEquals(expected, toString(acc));
}
@Test
public void noArray() {
final WithArrays wa = new WithArrays();
final String exp = getClassPrefix(wa) + "[" + BR
+ " boolArray=<null>," + BR
+ " charArray=<null>," + BR
+ " intArray=<null>," + BR
+ " doubleArray=<null>," + BR
+ " longArray=<null>," + BR
+ " stringArray=<null>" + BR
+ "]";
assertEquals(exp, toString(wa));
}
@Test
public void boolArray() {
final WithArrays wa = new WithArrays();
wa.boolArray = new boolean[] { true, false, true };
final String exp = getClassPrefix(wa) + "[" + BR
+ " boolArray={" + BR
+ " true," + BR
+ " false," + BR
+ " true" + BR
+ " }," + BR
+ " charArray=<null>," + BR
+ " intArray=<null>," + BR
+ " doubleArray=<null>," + BR
+ " longArray=<null>," + BR
+ " stringArray=<null>" + BR
+ "]";
assertEquals(exp, toString(wa));
}
@Test
public void charArray() {
final WithArrays wa = new WithArrays();
wa.charArray = new char[] { 'a', 'A' };
final String exp = getClassPrefix(wa) + "[" + BR
+ " boolArray=<null>," + BR
+ " charArray={" + BR
+ " a," + BR
+ " A" + BR
+ " }," + BR
+ " intArray=<null>," + BR
+ " doubleArray=<null>," + BR
+ " longArray=<null>," + BR
+ " stringArray=<null>" + BR
+ "]";
assertEquals(exp, toString(wa));
}
@Test
public void intArray() {
final WithArrays wa = new WithArrays();
wa.intArray = new int[] { 1, 2 };
final String exp = getClassPrefix(wa) + "[" + BR
+ " boolArray=<null>," + BR
+ " charArray=<null>," + BR
+ " intArray={" + BR
+ " 1," + BR
+ " 2" + BR
+ " }," + BR
+ " doubleArray=<null>," + BR
+ " longArray=<null>," + BR
+ " stringArray=<null>" + BR
+ "]";
assertEquals(exp, toString(wa));
}
@Test
public void doubleArray() {
final WithArrays wa = new WithArrays();
wa.doubleArray = new double[] { 1, 2 };
final String exp = getClassPrefix(wa) + "[" + BR
+ " boolArray=<null>," + BR
+ " charArray=<null>," + BR
+ " intArray=<null>," + BR
+ " doubleArray={" + BR
+ " 1.0," + BR
+ " 2.0" + BR
+ " }," + BR
+ " longArray=<null>," + BR
+ " stringArray=<null>" + BR
+ "]";
assertEquals(exp, toString(wa));
}
@Test
public void longArray() {
final WithArrays wa = new WithArrays();
wa.longArray = new long[] { 1L, 2L };
final String exp = getClassPrefix(wa) + "[" + BR
+ " boolArray=<null>," + BR
+ " charArray=<null>," + BR
+ " intArray=<null>," + BR
+ " doubleArray=<null>," + BR
+ " longArray={" + BR
+ " 1," + BR
+ " 2" + BR
+ " }," + BR
+ " stringArray=<null>" + BR
+ "]";
assertEquals(exp, toString(wa));
}
@Test
public void stringArray() {
final WithArrays wa = new WithArrays();
wa.stringArray = new String[] { "a", "A" };
final String exp = getClassPrefix(wa) + "[" + BR
+ " boolArray=<null>," + BR
+ " charArray=<null>," + BR
+ " intArray=<null>," + BR
+ " doubleArray=<null>," + BR
+ " longArray=<null>," + BR
+ " stringArray={" + BR
+ " a," + BR
+ " A" + BR
+ " }" + BR
+ "]";
assertEquals(exp, toString(wa));
}
@Test
public void testLANG1319() throws Exception {
final String[] stringArray = {"1", "2"};
final String exp = getClassPrefix(stringArray) + "[" + BR
+ " {" + BR
+ " 1," + BR
+ " 2" + BR
+ " }" + BR
+ "]";
assertEquals(exp, toString(stringArray));
}
private String getClassPrefix(final Object object) {
return object.getClass().getName() + "@" + Integer.toHexString(System.identityHashCode(object));
}
private String toString(final Object object) {
return new ReflectionToStringBuilder(object, new MultilineRecursiveToStringStyle()).toString();
}
static class WithArrays {
boolean[] boolArray;
char[] charArray;
int[] intArray;
double[] doubleArray;
long[] longArray;
String[] stringArray;
}
static class Bank {
String name;
Bank(final String name) {
this.name = name;
}
}
static class Customer {
String name;
Bank bank;
List<Account> accounts;
Customer(final String name) {
this.name = name;
}
}
static class Account {
Customer owner;
List<Transaction> transactions = new ArrayList<>();
public double getBalance() {
double balance = 0;
for (final Transaction tx : transactions) {
balance += tx.amount;
}
return balance;
}
}
static class Transaction {
double amount;
String date;
Transaction(final String datum, final double betrag) {
this.date = datum;
this.amount = betrag;
}
}
}
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